Lab system cards and frameworks · System card · OpenAI

GPT-5.1 Instant and GPT-5.1 Thinking System Card Addendum

12 Nov 2025

Outline · 5 pages

How to cite

A citation names the document, the version and the place.

openai:5_1_system_card/r1/p1

https://safetypage.noahairmet.com/d/openai/5_1_system_card/r1/p1

BibTeX

@misc{openai2025,
  title = {GPT-5.1 Instant and GPT-5.1 Thinking System Card Addendum},
  author = {{OpenAI}},
  year = {2025},
  url = {https://cdn.openai.com/pdf/4173ec8d-1229-47db-96de-06d87147e07e/5_1_system_card.pdf}
}

Versions

Version	Published	Read
r1 latest	12 Nov 2025	At source

Licence

So you: Search it, cite it and check quotes here; read it at its source
Evidence: Read by hand: No licence statement in the PDF; openai.com terms of use (https://openai.com/policies/terms-of-use/) apply.
Read at: cdn.openai.com/pdf/4173ec8d-1229-47db-96de-06d87147e07e/5_1_system_card.pdf, 10 Nov 2026